#include <stdio.h>
int main()
{
	int a,b,c,d;
	a = (7 == 7 == 7);
    b = (5 == '5');
	c = ('a'>'A');
	d = (a = 5 );
	scanf("%d,%d,%d,%d",&a,&b,&c,&d); 
	return 0;
 } 
